Toothbrush head



FIG. 1 is a perspective view of a toothbrush head showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a left-side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings illustrate features of the article that form no part of the claimed design. 

CLAIM I claim the ornamental design for a toothbrush head, as shown and described. 